Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/svg/clip-path/clip-path-transform-1-expected.txt

Index: LayoutTests/svg/clip-path/clip-path-transform-1-expected.txt
diff --git a/LayoutTests/svg/clip-path/clip-path-transform-1-expected.txt b/LayoutTests/svg/clip-path/clip-path-transform-1-expected.txt
index acbbe3fa83f0851ad85522655661221a5e751bac..ef75025a20262cfdec4d71f0a1afda0ea2894354 100644
--- a/LayoutTests/svg/clip-path/clip-path-transform-1-expected.txt
+++ b/LayoutTests/svg/clip-path/clip-path-transform-1-expected.txt
@@ -7,6 +7,6 @@ layer at (0,0) size 800x600
         RenderSVGEllipse {circle} at (0,0) size 20x20 [fill={[type=SOLID] [color=#000000]}] [cx=10.00] [cy=10.00] [r=10.00]
         RenderSVGEllipse {circle} at (0,0) size 20x20 [fill={[type=SOLID] [color=#000000]}] [cx=10.00] [cy=10.00] [r=10.00]
     RenderSVGEllipse {circle} at (21,21) size 198x198 [fill={[type=SOLID] [color=#FF0000]}] [cx=120.00] [cy=120.00] [r=99.00]
-    RenderSVGContainer {a} at (20,20) size 200x200
+    LayoutSVGContainer {a} at (20,20) size 200x200
       RenderSVGRect {rect} at (20,20) size 200x200 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=220.00] [height=220.00]
         [clipPath="clip"] LayoutSVGResourceClipper {clipPath} at (20,20) size 200x200